What are the tubes used in phlebotomy?

Last draw – additive tubes in this order:
  • SST (red-gray or gold top). Contains a gel separator and clot activator.
  • Sodium heparin (dark green top)
  • PST (light green top). Contains lithium heparin anticoagulant and a gel separator.
  • EDTA (lavender top)
  • ACDA or ACDB (pale yellow top).
  • Oxalate/fluoride (light gray top)

Read rest of the answer. Accordingly, what color tubes are used for which tests in phlebotomy?


Likewise, what is the yellow tube used for in phlebotomy? Yellow-top tube (ACD): Tube contains acid citrate dextrose as an anticoagulant. This tube is used for the collection of whole blood for special studies. Royal blue-top tube: There are 2 types of tubes; one contains the anticoagulant EDTA and the other does not contain an anticoagulant.

One may also ask, what tubes are used for what blood tests?

How many tubes of blood do you need for a blood test?

Patients getting blood drawn for two routine testing panels — a complete blood count, or CBC, and a comprehensive metabolic panel, or CMP — can expect to lose maybe 10 milliliters. “Even if you had 10 tubes of blood taken, that’s less than 60 milliliters,” Andrews said.

What color tube is used for TSH?

Specimen type:Plasma or serum
Preferred collection container:Stat/Line draws: 3 mL green/yellow-top (plasma separator) tube Routine requests/off-site specimens: 3.5 mL gold-top (serum separator) tube

What do the different colors of blood tubes mean?

The tests each bottle is used for are the same: the purple one is for cell count, the yellow one is for electrolytes, albumin and LDH, the grey one is for glucose, and blood culture bottles can be used for fluid cultures.

What color is a PST tube?

The PSTTube

It has a mint green stopper. This tube is only used on patients who are in the hospital. This tube contains lithium heparin to keep the blood from clotting and has a gel plasma separator.

What is a rainbow blood test?

Once the vein is accessed and blood is flowing, how many vials of blood are taken depends on the lab tests ordered. Critical patients have a “rainbow” drawn — you guessed it, a vial of every color. Different colored tubes indicate different tests. You can always ask the phlebotomist which labs are being drawn.

What are ACD blood tubes used for?

Yellow-top tube (ACD): Tube contains acid citrate dextrose as an anticoagulant. This tube is used for the collection of whole blood for special studies.

What is the white stuff at the bottom of a blood vial?

What’s the wite stuff at the bottom of vacuum blood vials? It’s a gel separator. When you spin the blood (in a centrifuge) the gel moves to the middle, blood cells go to the bottom, serum goes to the top and they can’t be mixed back together.

How long does blood last in EDTA tube?

It can be stored for 12, 24 or 36 h prior to processing at 4°C and it can be frozen at −80°C for 20 days and then thawed under controlled conditions.

Which vacutainer tubes for what tests?

Tube cap colorAdditiveCommon laboratory tests
GreenSodium or lithium heparin with or without gelStat and routine chemistry
Lavender or pinkPotassium EDTAHematology and blood bank
GraySodium fluoride, and sodium or potassium oxalateGlucose (especially when testing will be delayed), blood alcohol, lactic acid
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What blood test goes in what color tube?

Use: EDTA whole blood or plasma. Send whole blood in a royal blue-top tube. Send plasma in a plastic transport tube labeled “Plasma, EDTA from royal blue.” Tan-top tube: Contains sodium EDTA for blood lead analysis.

What does a CBC test for?

A complete blood count (CBC) is a blood test used to evaluate your overall health and detect a wide range of disorders, including anemia, infection and leukemia. A complete blood count test measures several components and features of your blood, including: Red blood cells, which carry oxygen.

Which are the methods of collection of blood?

Three popular methods of blood collection are:
  • Arterial sampling.
  • Venipuncture sampling.
  • Fingerstick sampling.

What is the purple top tube used for?

Purple or lavender: K2 EDTA. This is a strong anticoagulant and these tubes are usually used for complete blood counts (CBC). Lavender top tubes are generally used when whole blood is needed for analysis. Can also be used for some blood bank procedures such as blood type and screen.